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Figure 1. Appearance of the retina at the time of presentation with vision of 20/600.

A 30-year-old man presented to the eye clinic with a painful and inflamed right eye associated with blurring of vision that had been present for the past 3 weeks. He was otherwise healthy. Visual acuity was right eye 20/600 and left eye 20/20. Examination of the right eye demonstrated the picture seen in Figure 1.

1.	This retina picture is compatible with:
	a. necrotizing retinitis b. toxocara reaction c. von Hipple disease d. coloboma e. none of the above
2.	Toxoplasma IgG/M serology, serum Human Immunodeficiency virus (HIV), and Polymerase Chain Reaction (PCR) of vitreous for toxoplasma DNA came back positive on blood testing, suggesting treatment with:
	a. Penicillin b. Sulfadiazine c. Sulfadoxine and pyrimethamine (Fansidar) d. (b) and (c) e. none of the above
3.	A retinal picture like this can occur in:
	a. syphilis b. ocular toxoplasmosis c. acute retinal necrosis (ARN) d. ocular tuberculosis e. (b) and (c)

For answers to the above, click here on or after June 7, 2011.